MATHEMATICS HIGH SCHOOL

Find n.
35/49=5/n
n=_____

Answers

Answer 1

Answer: n = (5 * 49) / 35 = 7

Answer 2

Answer:

n = (5 * 49) / 35 = 7

your welcome

Step-by-step explanation:

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Porfavor alguien me dice cuanto es esto 3×?=20

“You can earn money by tutoring for $8 per hour and by walking dogs for $7.50 per hour. You have 15 h available to work. What is the greatest number of hours you can spend walking dogs and still make at least $115?”I need help

Answers

1. Given numbers:
=> $8 per hour by tutoring
=> $7.50 per hour by walking the dogs
=> You have 15 hours available
=> You need to make atleast $115 in walking the dogs.

let’s assign a variable to use.
Let a = tutoring
Let b = walking the dogs
=> a + b = 15
=> 8a + 7.5b = 115
=> 8a + 7.5(15 - a) = 115
=> 8a = 112.5 = 115
=> 8a = 115 – 112.5
=> 8a = 2.5
=> 8a / 8 = 2.5 / 8
=> a = 0.3125
=> b = 15 – 0.3125
=> b = 14.6875

Answer:

14.6875

Step-by-step explanation:

Johnny bought 7 stamps for 1.12. how much does each stamp cost

Answers

suppose stamp cost a, then
7a = 1.12
1.12 ÷ 7 = a
a = 0.16
So, each stamp costs 0.16.

>>>0.16<<<
...................

Answer correctly thank youuu

Answers

Answer:

2⁴ *3⁵

Step-by-step explanation:

Exponents:

Prime factorize 12.

12 = 2 * 2 * 3 = 2² * 3

12² * 3³ = (2² * 3)² * 3³

Apply exponent law.

$\boxed{(a*b)^m = a^m * b^m}$

$\sf = (2^2)^2*3^2 * 3^3$

Again, apply exponent law

$\boxed{\bf (a^m)^n = a^(m*n)}$

$\sf = 2^(2*2)*3^2*3^3\n\n= 2^4*3^2*3^3$

$\boxed{\bf a^m * a^n = a^(m+n)}$

$\sf = 2^4 * 3^(2+3)\n\n =2^4* 3^5$

Answer: 2⁴ * 3⁵

Step-by-step explanation:

12^2 = ( 4 * 3)^2 = 4^2 3^2

so you have 4^2 * 3^2 * 3^3 =

4^2 * 3^(2+3) =

4^2 * 3^5 =

16 * 3^5 =

16 *243 =3888

What fraction is equivalent to 1/3

Answers

It can be any kind of fraction, the possibilities are endless. So what you do is multiply it by one. I know that sounds kind of wrong, but you'll see. So you know that because of one rule (I forget the name, I'll get back to you on that one) But it says that one can be expressed as a fraction, which allows you to create an equivalent fraction. For example 2/3 x 3/3 = 6/9, simplified = 2/3.

3/9 is equivalent to 1/3 if we multiply both of them by 3

Twice a number is 10. What is the number?
equation:

n =

Answers

2n = 10
n = 5 (Divide both sides by 2)

Sorry if there wasn't enough working but it's a fairly simple equation, comment if you'd like more info on the formation of it.

4. Find the average rate ofchange, from 20 to 80 in
the table below.
х
20
40
60
80
100
y
15
35
65
105
215